Adam's FINE JEWELLERY & WATCHES 13th September 2022

T uesday 13 th S eptember 2022 . S tarting at 4 pm 22 16 A LATE 19TH CENTURY DIAMOND PENDANT BROOCH, CIRCA 1890 The six-rayed star set throughout with old brilliant-cut diamonds, each ray spaced by a trio of similarly-cut diamonds within a pinched collet mount, mounted in silver and gold, diamonds approximately 1.20ct total, detachable brooch fitting, length 2.8cm € 500 - 700 17 AN AQUAMARINE AND DIAMOND BROOCH PENDANT, CIRCA 1890 The openwork scrolling cartouche with foliate detailing and set throughout with rose-cut diamonds, with an oval-cut aquamarine to the centre, suspending a drop of similar design, mounted in silver and gold, length 7cm € 1,000 - 1,500 18 A LATE 19TH CENTURY DIAMOND PENDANT BROOCH, CIRCA 1890 The eight-rayed star set throughout with old brilliant and single-cut diamonds, mounted in silver and gold,diamonds approximately 4.50cts total, detachable gold brooch fitting and security chain, length 4.2cm € 2,500 - 3,500 19 AN EARLY 20TH CENTURY DIAMOND PENDANT, CIRCA 1900 Of openwork, scrolling design set with set with old European, single and rose-cut diamonds, to a similar-set diamond bale, mounted in silver and gold,diamonds approximately 1.50ct total, length (including bale):5.9cm € 800 - 1,000 21 AN EARLY 20TH CENTURY DIAMOND DRESS RING Centring an old cushion-shaped diamond of yellow tint within a simi- larly-cut surround with rose-cut diamond accents, mounted in 18K gold, principal diamond approximately 0.90-1.00ct, remaining diamonds approxi- mately 0.40ct total,ring size M € 1,200 - 1,800 20 AN EARLY 20TH CENTURY DIAMOND CLUSTER RING Set with old brilliant and cushion-shaped diamonds forming a navette- shaped cluster, in closed back setting, scrolling shoulders detailing, mounted in platinum, diamonds approximately 3.00cts total,with case, ring size P½ € 2,000 - 3,000